Build up the station

This soft microprocessor is made from the EDK software tool's XPS (Xilinx), configured into the Xilinx XC3S500E FPGA on the Xilinx Spartan XC3S500 E board. The software operating the interface between the microprocessor and the Ethernet interface port written in C language and functioned as a HOST (station) has its own IP to connect to the Ethernet network. To perform data transmission, it requires an Ethernet cable supporting up to 100Mbs and the computer program that runs the data collection and communication with a soft microprocessor written in Labview.

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In air pollution studies at metropolis, as in Bangkok or Saigon, installation of new stations for monitoring dangerous pollution sources is costly. Using statistical models and analyzing data sets collected at good stations to predict air pollution levels at malfunctioning stations, therefore, are highly demanding. We study air pollution prediction by geo-statistical methods with a realistic dataset costly observed in Ho Chi Minh City.

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To know the initial occurrence and subsequent build-up of aphids population on chilli crop in relation to weather parameters, the field experiments were carried out from 2010-2012 at Horticultural Research station, Lam, Guntur, Andhra Pradesh. Seasonal incidence of aphids was recorded from leaves and fruits at weekly intervals during the crop growth period. Based on the two years data, the results revealed that the infestation and severity of aphid population were highly influenced by weather parameters.

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This manual and parts thereof must not be reproduced or copied without ABB's written permission, and contents thereof must not be imparted to a third party nor be used for any unauthorized purpose. Contravention will be prosecuted. Additional copies of this manual may be obtained from ABB at its then current charge.

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Other Mobile Radio Channels A great deal of attention has been given to propagation in built-up areas, in particular to the situation where the mobile is located in the streets, i.e. when it is outside the buildings. It is apparent, however, that other important scenarios exist. For example, hand-portable equipment can be taken inside buildings, and in recent years there has been a substantial increase in the use of this type of equipment.

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Propagation in Built-up Areas Having looked at how irregular terrain a€ects VHF and UHF radio wave propagation and the e€ects of multipath, we are now in a position to discuss propagation in built-up areas. This chapter will deal principally with propagation between base stations and mobiles located at street level; propagation into buildings and totally within buildings will be discussed later. Although losses due to buildings and other man-made obstacles are of major concern, terrain variations also play an important role in many cases.

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The number of mobile phone users is growing, and so is their demand for high quality service. People spend a large part of their time inside buildings, and increasingly rely on mobile phones to communicate. Whether it’s a crowded convention center or a remote railway station, users expect their mobile phones to perform. Ericsson In-building Solutions provide your customers with the high-quality coverage they demand, quicker and easier than ever before.

8p nguyen6688 10-12-2009 205 37   Download